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Testing of Dispersion Type Fuel Rods with a Heat-Proof Meat with Controlled Porosity for Small Nuclear Power Plants

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The results of development work on dispersion type fuel rods, whose meat, containing granules of a uranium-molybdenum alloy in a matrix of special zirconium alloys, possesses heightened uranium capacity as well as high-temperature strength and resistance to emergency situations, are presented. The fuel rods were fabricated by the capillary impregnation method; in the course of fabrication a controlled porosity equal to 15–18% was created in the core to compensate for swelling. Material science investigations of an experimental batch of fuel rods tested in the MIR reactor up to burnup 60 MW·day/kg at significant thermal loads confirmed their satisfactory performance.

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References

  1. A. A. Zakharychev, V. Yu. Papotin, D. M. Stadnik, et al., “Cores for small nuclear power plants,” in: Abstr. 11th Conf. on Reactor Materials Science, SSC RIAR, Dimitrovgrad, May 27–31, 2019, pp. 124–125.

  2. G. V. Kulakov, A. V. Vatulin, S. A. Ershov, et al., “Development of fuel for small nuclear power plants and fl oating power units: status and prospects,” Vopr. At. Nauki Tekhn. Ser. Materialoved. Novye Mater., No. 1(102), 116–128 (2020).

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Authors and Affiliations

  1. Bochvar High-Technology Research Institute of Inorganic Materials (VNIINM), Moscow, Russia

    A. M. Savchenko, Yu. V. Konovalov, G. V. Kulakov, S. V. Maranchak, S. A. Ershov, E. V. Mainikov & A. V. Kozlov

  2. State Science Center of the Russian Federation – Research Institute of Atomic Reactors (SSC RIAR), Dimitrovgrad, Russia

    V. Yu. Shishin, A. A. Sheldyakov & V. V. Yakovlev

Authors
  1. A. M. Savchenko
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  2. Yu. V. Konovalov
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  3. G. V. Kulakov
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  4. S. V. Maranchak
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  5. S. A. Ershov
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  6. E. V. Mainikov
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  7. A. V. Kozlov
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  8. V. Yu. Shishin
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  9. A. A. Sheldyakov
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  10. V. V. Yakovlev
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Corresponding author

Correspondence to A. M. Savchenko.

Additional information

Translated from Atomnaya Énergiya, Vol. 131, No. 6, pp. 324–327, December, 2021.

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Savchenko, A.M., Konovalov, Y.V., Kulakov, G.V. et al. Testing of Dispersion Type Fuel Rods with a Heat-Proof Meat with Controlled Porosity for Small Nuclear Power Plants. At Energy 131, 330–334 (2022). https://doi.org/10.1007/s10512-022-00888-y

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  • DOI: https://doi.org/10.1007/s10512-022-00888-y

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